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annotate mercurial/commit.py @ 45402:0652a533fe3c

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mergestate: use _stateextras instead of merge records for commit related info There is a set of information related to a merge which is needed on commit. We want to store such information in the mergestate so that we can read it while committing. For this purpose, we are using merge records and introduced a merge entry state for that. However this won't scale and is not clean way to implement this. This patch reworks the existing logic related to this to use _stateextras and read from it. Right now the information stored is not very descriptive but it will be in next patch. Using _stateextras also makes MERGE_RECORD_MERGED_OTHER useless and only to be kept for BC. Differential Revision: https://phab.mercurial-scm.org/D8920
author Pulkit Goyal <7895pulkit@gmail.com>
date Mon, 10 Aug 2020 15:29:02 +0530
parents 54eeb1a0e325
children f52b0297acc8
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1 # commit.py - fonction to perform commit
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2 #
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3 # This software may be used and distributed according to the terms of the
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4 # GNU General Public License version 2 or any later version.
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5
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6 from __future__ import absolute_import
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7
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8 import errno
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9
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10 from .i18n import _
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11 from .node import (
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12 hex,
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13 nullid,
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14 nullrev,
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15 )
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16
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17 from . import (
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18 context,
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19 mergestate,
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20 metadata,
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21 phases,
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22 scmutil,
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23 subrepoutil,
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24 )
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25
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26
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27 def _write_copy_meta(repo):
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28 """return a (changelog, filelog) boolean tuple
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29
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30 changelog: copy related information should be stored in the changeset
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31 filelof: copy related information should be written in the file revision
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32 """
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33 if repo.filecopiesmode == b'changeset-sidedata':
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34 writechangesetcopy = True
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35 writefilecopymeta = True
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36 else:
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37 writecopiesto = repo.ui.config(b'experimental', b'copies.write-to')
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38 writefilecopymeta = writecopiesto != b'changeset-only'
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39 writechangesetcopy = writecopiesto in (
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40 b'changeset-only',
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41 b'compatibility',
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42 )
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43 return writechangesetcopy, writefilecopymeta
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44
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45
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46 def commitctx(repo, ctx, error=False, origctx=None):
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47 """Add a new revision to the target repository.
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48 Revision information is passed via the context argument.
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49
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50 ctx.files() should list all files involved in this commit, i.e.
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51 modified/added/removed files. On merge, it may be wider than the
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52 ctx.files() to be committed, since any file nodes derived directly
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53 from p1 or p2 are excluded from the committed ctx.files().
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54
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55 origctx is for convert to work around the problem that bug
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56 fixes to the files list in changesets change hashes. For
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57 convert to be the identity, it can pass an origctx and this
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58 function will use the same files list when it makes sense to
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59 do so.
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60 """
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61 repo = repo.unfiltered()
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62
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63 p1, p2 = ctx.p1(), ctx.p2()
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64 user = ctx.user()
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65
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66 with repo.lock(), repo.transaction(b"commit") as tr:
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67 mn, files = _prepare_files(tr, ctx, error=error, origctx=origctx)
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68
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69 extra = ctx.extra().copy()
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70
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71 if extra is not None:
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72 for name in (
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73 b'p1copies',
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74 b'p2copies',
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75 b'filesadded',
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76 b'filesremoved',
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77 ):
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78 extra.pop(name, None)
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79 if repo.changelog._copiesstorage == b'extra':
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80 extra = _extra_with_copies(repo, extra, files)
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81
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82 # update changelog
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83 repo.ui.note(_(b"committing changelog\n"))
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84 repo.changelog.delayupdate(tr)
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85 n = repo.changelog.add(
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86 mn,
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87 files,
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88 ctx.description(),
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89 tr,
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90 p1.node(),
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91 p2.node(),
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92 user,
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93 ctx.date(),
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94 extra,
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95 )
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96 xp1, xp2 = p1.hex(), p2 and p2.hex() or b''
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97 repo.hook(
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98 b'pretxncommit', throw=True, node=hex(n), parent1=xp1, parent2=xp2,
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99 )
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100 # set the new commit is proper phase
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101 targetphase = subrepoutil.newcommitphase(repo.ui, ctx)
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102 if targetphase:
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103 # retract boundary do not alter parent changeset.
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104 # if a parent have higher the resulting phase will
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105 # be compliant anyway
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106 #
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107 # if minimal phase was 0 we don't need to retract anything
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108 phases.registernew(repo, tr, targetphase, [n])
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109 return n
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110
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111
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112 def _prepare_files(tr, ctx, error=False, origctx=None):
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113 repo = ctx.repo()
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114 p1 = ctx.p1()
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115
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116 writechangesetcopy, writefilecopymeta = _write_copy_meta(repo)
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117
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118 if ctx.manifestnode():
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119 # reuse an existing manifest revision
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120 repo.ui.debug(b'reusing known manifest\n')
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121 mn = ctx.manifestnode()
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122 files = metadata.ChangingFiles()
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123 files.update_touched(ctx.files())
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124 if writechangesetcopy:
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125 files.update_added(ctx.filesadded())
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126 files.update_removed(ctx.filesremoved())
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127 elif not ctx.files():
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128 repo.ui.debug(b'reusing manifest from p1 (no file change)\n')
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129 mn = p1.manifestnode()
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130 files = metadata.ChangingFiles()
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131 else:
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132 mn, files = _process_files(tr, ctx, error=error)
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133
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134 if origctx and origctx.manifestnode() == mn:
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135 origfiles = origctx.files()
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136 assert files.touched.issubset(origfiles)
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137 files.update_touched(origfiles)
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138
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139 if writechangesetcopy:
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140 files.update_copies_from_p1(ctx.p1copies())
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141 files.update_copies_from_p2(ctx.p2copies())
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142
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143 return mn, files
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144
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145
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146 def _process_files(tr, ctx, error=False):
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147 repo = ctx.repo()
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148 p1 = ctx.p1()
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149 p2 = ctx.p2()
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150
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151 writechangesetcopy, writefilecopymeta = _write_copy_meta(repo)
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152
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153 m1ctx = p1.manifestctx()
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154 m2ctx = p2.manifestctx()
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155 mctx = m1ctx.copy()
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156
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157 m = mctx.read()
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158 m1 = m1ctx.read()
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159 m2 = m2ctx.read()
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160
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161 files = metadata.ChangingFiles()
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162
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163 # check in files
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164 added = []
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165 removed = list(ctx.removed())
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166 linkrev = len(repo)
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167 repo.ui.note(_(b"committing files:\n"))
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168 uipathfn = scmutil.getuipathfn(repo)
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169 for f in sorted(ctx.modified() + ctx.added()):
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170 repo.ui.note(uipathfn(f) + b"\n")
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171 try:
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172 fctx = ctx[f]
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173 if fctx is None:
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174 removed.append(f)
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175 else:
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176 added.append(f)
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177 m[f], is_touched = _filecommit(
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178 repo, fctx, m1, m2, linkrev, tr, writefilecopymeta,
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179 )
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180 if is_touched:
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181 if is_touched == 'added':
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182 files.mark_added(f)
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183 else:
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184 files.mark_touched(f)
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185 m.setflag(f, fctx.flags())
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186 except OSError:
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187 repo.ui.warn(_(b"trouble committing %s!\n") % uipathfn(f))
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188 raise
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189 except IOError as inst:
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190 errcode = getattr(inst, 'errno', errno.ENOENT)
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191 if error or errcode and errcode != errno.ENOENT:
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192 repo.ui.warn(_(b"trouble committing %s!\n") % uipathfn(f))
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193 raise
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194
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195 # update manifest
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196 removed = [f for f in removed if f in m1 or f in m2]
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197 drop = sorted([f for f in removed if f in m])
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198 for f in drop:
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199 del m[f]
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200 if p2.rev() == nullrev:
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201 files.update_removed(removed)
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202 else:
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203 rf = metadata.get_removal_filter(ctx, (p1, p2, m1, m2))
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204 for f in removed:
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205 if not rf(f):
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206 files.mark_removed(f)
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207
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208 mn = _commit_manifest(tr, linkrev, ctx, mctx, m, files.touched, added, drop)
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209
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210 return mn, files
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211
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212
45240
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213 def _filecommit(
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214 repo, fctx, manifest1, manifest2, linkrev, tr, includecopymeta,
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215 ):
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216 """
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217 commit an individual file as part of a larger transaction
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218
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219 input:
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220
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221 fctx: a file context with the content we are trying to commit
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222 manifest1: manifest of changeset first parent
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223 manifest2: manifest of changeset second parent
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224 linkrev: revision number of the changeset being created
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225 tr: current transation
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226 individual: boolean, set to False to skip storing the copy data
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227 (only used by the Google specific feature of using
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228 changeset extra as copy source of truth).
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229
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230 output: (filenode, touched)
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231
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diff changeset
232 filenode: the filenode that should be used by this changeset
45256
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233 touched: one of: None (mean untouched), 'added' or 'modified'
45240
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234 """
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235
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236 fname = fctx.path()
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237 fparent1 = manifest1.get(fname, nullid)
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238 fparent2 = manifest2.get(fname, nullid)
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239 touched = None
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240 if fparent1 == fparent2 == nullid:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
241 touched = 'added'
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
242
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
243 if isinstance(fctx, context.filectx):
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
244 # This block fast path most comparisons which are usually done. It
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
245 # assumes that bare filectx is used and no merge happened, hence no
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
246 # need to create a new file revision in this case.
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
247 node = fctx.filenode()
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
248 if node in [fparent1, fparent2]:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
249 repo.ui.debug(b'reusing %s filelog entry\n' % fname)
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
250 if (
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
251 fparent1 != nullid and manifest1.flags(fname) != fctx.flags()
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
252 ) or (
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
253 fparent2 != nullid and manifest2.flags(fname) != fctx.flags()
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
254 ):
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
255 touched = 'modified'
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
256 return node, touched
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
257
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
258 flog = repo.file(fname)
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
259 meta = {}
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
260 cfname = fctx.copysource()
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
261 fnode = None
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
262
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
263 if cfname and cfname != fname:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
264 # Mark the new revision of this file as a copy of another
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
265 # file. This copy data will effectively act as a parent
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
266 # of this new revision. If this is a merge, the first
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
267 # parent will be the nullid (meaning "look up the copy data")
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
268 # and the second one will be the other parent. For example:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
269 #
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
270 # 0 --- 1 --- 3 rev1 changes file foo
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
271 # \ / rev2 renames foo to bar and changes it
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
272 # \- 2 -/ rev3 should have bar with all changes and
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
273 # should record that bar descends from
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
274 # bar in rev2 and foo in rev1
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
275 #
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
276 # this allows this merge to succeed:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
277 #
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
278 # 0 --- 1 --- 3 rev4 reverts the content change from rev2
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
279 # \ / merging rev3 and rev4 should use bar@rev2
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
280 # \- 2 --- 4 as the merge base
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
281 #
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
282
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
283 cnode = manifest1.get(cfname)
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
284 newfparent = fparent2
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
285
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
286 if manifest2: # branch merge
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
287 if fparent2 == nullid or cnode is None: # copied on remote side
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
288 if cfname in manifest2:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
289 cnode = manifest2[cfname]
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
290 newfparent = fparent1
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
291
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
292 # Here, we used to search backwards through history to try to find
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
293 # where the file copy came from if the source of a copy was not in
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
294 # the parent directory. However, this doesn't actually make sense to
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
295 # do (what does a copy from something not in your working copy even
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
296 # mean?) and it causes bugs (eg, issue4476). Instead, we will warn
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
297 # the user that copy information was dropped, so if they didn't
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
298 # expect this outcome it can be fixed, but this is the correct
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
299 # behavior in this circumstance.
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
300
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
301 if cnode:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
302 repo.ui.debug(b" %s: copy %s:%s\n" % (fname, cfname, hex(cnode)))
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
303 if includecopymeta:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
304 meta[b"copy"] = cfname
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
305 meta[b"copyrev"] = hex(cnode)
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
306 fparent1, fparent2 = nullid, newfparent
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
307 else:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
308 repo.ui.warn(
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
309 _(
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
310 b"warning: can't find ancestor for '%s' "
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
311 b"copied from '%s'!\n"
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
312 )
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
313 % (fname, cfname)
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
314 )
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
315
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
316 elif fparent1 == nullid:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
317 fparent1, fparent2 = fparent2, nullid
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
318 elif fparent2 != nullid:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
319 # is one parent an ancestor of the other?
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
320 fparentancestors = flog.commonancestorsheads(fparent1, fparent2)
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
321 if fparent1 in fparentancestors:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
322 fparent1, fparent2 = fparent2, nullid
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
323 elif fparent2 in fparentancestors:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
324 fparent2 = nullid
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
325 elif not fparentancestors:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
326 # TODO: this whole if-else might be simplified much more
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
327 ms = mergestate.mergestate.read(repo)
45402
0652a533fe3c mergestate: use _stateextras instead of merge records for commit related info
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45353
diff changeset
328 if ms.extras(fname).get(b'filenode-source') == b'other':
45240
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
329 fparent1, fparent2 = fparent2, nullid
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
330
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
331 # is the file changed?
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
332 text = fctx.data()
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
333 if fparent2 != nullid or meta or flog.cmp(fparent1, text):
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
334 if touched is None: # do not overwrite added
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
335 touched = 'modified'
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
336 fnode = flog.add(text, meta, tr, linkrev, fparent1, fparent2)
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
337 # are just the flags changed during merge?
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
338 elif fname in manifest1 and manifest1.flags(fname) != fctx.flags():
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
339 touched = 'modified'
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
340 fnode = fparent1
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
341 else:
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
342 fnode = fparent1
ce9ee81df9ff commitctx: extract _filecommit too
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45239
diff changeset
343 return fnode, touched
45258
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
344
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
345
45273
e15416c95b25 commitctx: explicitly pass `manifest` to _commit_manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45266
diff changeset
346 def _commit_manifest(tr, linkrev, ctx, mctx, manifest, files, added, drop):
45258
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
347 """make a new manifest entry (or reuse a new one)
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
348
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
349 given an initialised manifest context and precomputed list of
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
350 - files: files affected by the commit
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
351 - added: new entries in the manifest
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
352 - drop: entries present in parents but absent of this one
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
353
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
354 Create a new manifest revision, reuse existing ones if possible.
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
355
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
356 Return the nodeid of the manifest revision.
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
357 """
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
358 repo = ctx.repo()
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
359
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
360 md = None
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
361
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
362 # all this is cached, so it is find to get them all from the ctx.
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
363 p1 = ctx.p1()
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
364 p2 = ctx.p2()
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45257
diff changeset
365 m1ctx = p1.manifestctx()
f0d4d1343cb4 commitctx: extract the function that commit a new manifest
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366
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367 m1 = m1ctx.read()
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368
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369 if not files:
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370 # if no "files" actually changed in terms of the changelog,
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371 # try hard to detect unmodified manifest entry so that the
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372 # exact same commit can be reproduced later on convert.
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373 md = m1.diff(manifest, scmutil.matchfiles(repo, ctx.files()))
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374 if not files and md:
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375 repo.ui.debug(
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376 b'not reusing manifest (no file change in '
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377 b'changelog, but manifest differs)\n'
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378 )
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379 if files or md:
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380 repo.ui.note(_(b"committing manifest\n"))
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381 # we're using narrowmatch here since it's already applied at
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382 # other stages (such as dirstate.walk), so we're already
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383 # ignoring things outside of narrowspec in most cases. The
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384 # one case where we might have files outside the narrowspec
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385 # at this point is merges, and we already error out in the
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386 # case where the merge has files outside of the narrowspec,
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387 # so this is safe.
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388 mn = mctx.write(
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389 tr,
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390 linkrev,
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391 p1.manifestnode(),
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392 p2.manifestnode(),
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393 added,
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394 drop,
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395 match=repo.narrowmatch(),
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396 )
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397 else:
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398 repo.ui.debug(
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399 b'reusing manifest from p1 (listed files ' b'actually unchanged)\n'
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400 )
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401 mn = p1.manifestnode()
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402
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403 return mn
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404
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405
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406 def _extra_with_copies(repo, extra, files):
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407 """encode copy information into a `extra` dictionnary"""
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408 p1copies = files.copied_from_p1
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409 p2copies = files.copied_from_p2
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410 filesadded = files.added
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411 filesremoved = files.removed
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412 files = sorted(files.touched)
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413 if not _write_copy_meta(repo)[1]:
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414 # If writing only to changeset extras, use None to indicate that
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415 # no entry should be written. If writing to both, write an empty
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416 # entry to prevent the reader from falling back to reading
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417 # filelogs.
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418 p1copies = p1copies or None
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419 p2copies = p2copies or None
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420 filesadded = filesadded or None
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421 filesremoved = filesremoved or None
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422
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423 extrasentries = p1copies, p2copies, filesadded, filesremoved
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424 if extra is None and any(x is not None for x in extrasentries):
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425 extra = {}
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426 if p1copies is not None:
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427 p1copies = metadata.encodecopies(files, p1copies)
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428 extra[b'p1copies'] = p1copies
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429 if p2copies is not None:
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430 p2copies = metadata.encodecopies(files, p2copies)
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431 extra[b'p2copies'] = p2copies
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432 if filesadded is not None:
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433 filesadded = metadata.encodefileindices(files, filesadded)
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434 extra[b'filesadded'] = filesadded
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435 if filesremoved is not None:
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436 filesremoved = metadata.encodefileindices(files, filesremoved)
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437 extra[b'filesremoved'] = filesremoved
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438 return extra